在格式化的数学推理任务上，前者表现不错；但在需要自主探索、动态规划的复杂代理任务上，两者的差距是真实存在的。
大年初五，我去城北找小时候常吃的煎粉摊。印象里，春节期间那里总是堵得厉害，十字路口的人行天桥挤满人，走上去甚至会有一点轻微晃动。可那天到了一看，街上却空了许多。以前常逛的品牌服装店换了门头，成了红底白字的“工厂直供店”，临街最显眼的还是老凤祥、中国黄金，循环播放着春节里特有的热闹音乐。
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Michael Dell did it. The founders of Proof did it. Even our incubator prototypes products with Kickstarter campaigns. If customers pay before launch, demand is validated and you’re building what people want now.
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